SeonFook Countersink Drill Bit Set 5PCS 11/64" Wood Countersink Drill Bit with 2PCS Extra Tapered Drill Bit, 1 Stop Collar, 1 Hex Wrench, Countersink Drill Bit for Woodworking - SF-US-044

• 【Wide Application】 Suitable for hand drills and conventional electric drills. Perfect for wood, fiberboard, particleboard, plywood, plastic, and is an indispensable helper for drilling work. 【Counter Sinker Drill Bit Set】Include 5pcs all same size 11/64" wood countersink drill bit set, 2pcs counter sinker replacement tapered drill bit, 1 stop collar and 1 hex wrench. 【Quality Material】 The counterbore drill bit is made of high-speed steel, which have high toughness, wear resistance, and good cutting retention. The chamfering device is made of high carbon steel, strong and durable. 【Adjustable】 The high-quality countersunk hole is fixed on the plane of the handle by the hexagon socket screw to prevent loosening to ensure a firm fit. And can adjust the overall bit length and thus control the pilot hole depth. 【High Efficiency】 The chamfering device is 45# steel and has adjustment screws, which can control the drilling depth enable faster operation and self-clearing drilling on the swarf. While drilling, it also takes into account the chamfering effect, which is convenient and efficient.